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发明名称
Hinter der Ohrmuschel zu tragendes Hoergeraet fuer Schwerhoerige
摘要
申请公布号
DE1078175(B)
申请公布日期
1960.03.24
申请号
DE1958M038559
申请日期
1958.08.08
申请人
MICRO-TECHNIC HUEBER & CO.
发明人
HUEBER WALTER
分类号
H04R25/02
主分类号
H04R25/02
代理机构
代理人
主权项
地址
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